Thursday, July 6, 2017

CrossFit’s Criticism: How Do I Eat Enough Carbs on Primal?

Word CarbsBy far the single most common criticism levied against paleo by CrossFitters is that it’s too damn difficult to eat enough carbs to maintain performance during workouts. There is definitely truth there.

First, let’s establish something. Do CrossFitters indeed need more carbs than your average Primal bear?

Yes.

CrossFit workouts are intense. Your muscles need fuel to support intense movements, and they need it immediately and repeatedly. Glycogen just works better for that. It’s a matter of logistics. Glycogen is right there in the muscle, ready to go. It’s settled, sedentary, tethered. The fatty acids we burn are unencumbered, nomadic, going where they’re needed. That’s why we call them free fatty acids.

Furthermore, glycogen requires less oxygen to burn than fat. As your average CrossFit workout has you out of breath within the first minute or two, glycogen is a CrossFitter’s best friend.

If you don’t believe me, perhaps this 2016 study will convince you. It was a unique one because they took actual CrossFitters following a moderate-low-carb diet (around 200-ish grams per day) and separated them into two groups. One group stayed moderate-low, the other bumped their intake up to 400-500+ grams per day. Both maintained normal 3 on, 1 off CrossFit training schedules. They gave performance tests before and after the diet shift, using the Rahoi WOD (as many rounds as possible in 12 minutes of 12 box jumps, 6 95-lb thrusters, 6 bar-facing burpees). The higher carb group saw bigger improvements than the moderate carb group—an 11.1% improvement vs a 4.5% improvement.

Clearly, both groups were able to improve performance. However, if performance is your PRIMARY goal, then more (especially quality) carbs are likely to help. I’ll cover more on goals in a future post….

But isn’t Primal low-carb?

Standard Primal defaults to lower carb because it’s enough for most people. If you take a look at the Primal Blueprint Carb Curve, you’ll notice that 150 grams/day is the recommended level for people interested in maintaining body weight and supporting an active lifestyle. As anyone with a decent head on their shoulders, a cursory knowledge of how fat, carbs, and protein work, and functioning eyes can tell you, the vast majority of the population has no business consuming a high-carb diet. Few people do the type of work that requires “carb-loading.” As a result, 150 grams is plenty for your average man or woman.

Many of my readers got into Primal looking to lose weight, and low-carb, high-fat is the simplest, most effective way for most people to do that. 

I’m doing a keto experiment right now, and I’ve got a keto book coming out in a few months that will talk more about that choice and the science behind it. Personally, I run best on high-fat. It works for my goals, desires, and predilections. 

But the beauty of this way of life is that what I or anyone else eats does not determine what you “have to” eat.

Primal’s flexible, remember?

Allow me to dispense with some common misconceptions about Primal eating and carbohydrates that CrossFitters might hold:

We’re not against carbs. Carbs are an elective source of calories to be divvied out according to training volume, performance goals, and individual variation in tolerance/desire. If you’re regularly engaging in CrossFit WODS or other types of anaerobic activity (e.g. HIIT, sprinting, heavy lifting, mid-to-high intensity endurance training, sports like soccer, basketball, football), you should probably eat around 100 extra grams per hour of anaerobic output. If I come off as a carb basher, it’s only because I assume that most people aren’t doing the kind of activity that warrants carb-loading. CrossFitters are not those people. They can use the carbs.

We don’t carb-load with kale. All those horror stories of paleo CrossFitters trying to replenish glycogen by eating four pounds of broccoli in a single sitting? That doesn’t happen on Primal. Around here, above ground vegetables—leafy greens, cruciferous vegetables, summer squash, mushrooms, asparagus, and other non-starchy plant matter—are fair game. They don’t “count” against your carb intake, either because it’s more fiber than glucose or because it takes more glucose to digest than it provides.

We’re more concerned with carb quality, not quantity. Nutrient-poor, refined sources of carbohydrates might refill glycogen, but that’s about all they do. If you need more glycogen, it’s far more advantageous to your health and your performance to get it through nutrient-dense, whole sources of carbohydrate. To do otherwise is just missing an easy opportunity for more micronutrients.

What are some starchy or carb-rich foods one can eat on Primal?

  • Potatoes. Long maligned on orthodox paleo, potatoes are totally fine on Primal. If you cook, then cool them, they’ll generate resistant starch, a prebiotic that feeds healthy gut bacteria. And the basic white potato is far more nutritious than most people claim. It’s high in potassium, magnesium, and it’s even a source of complete protein.
  • Sweet potatoes. Purple, white, orange—they’re all good. If you’re putting your body through the wringer, eat purple sweet potatoes; the polyphenols offer protection against exercise-induced oxidative stress.
  • Bananas. Eat ’em ripe and you’ll get a big dose of glucose. Eat ’em on the greener side and you’ll get a big dose of resistant starch. Either way, you get the potassium—a crucial electrolyte.
  • Plantains. You’ve probably had them at a Cuban or Jamaican restaurant. You loved them, didn’t you? Get yourself to a Caribbean market and buy some plantains, gently sauté them in a little fat, and eat with some good sour cream on the side. Your glycogen-starved muscles will thank you.
  • Rice. Pure glucose. Little in the way of micronutrients, but you can amend that by cooking the rice in bone broth, adding trace mineral drops to the cooking liquid, and cooking and cooling the rice to increase the resistant starch content.
  • Legumes (if tolerated). Check out my recent post explaining why I changed my stance. Excellent sources of fiber, minerals, and phytonutrients (particularly the colorful ones). Plus, legume protein, while not complete, can supplement and augment the animal protein you eat.
  • Dairy. Lactose is half glucose, half galactose; a similar mix was recently shown to enhance glycogen repletion after exercise. And milk drinking improves muscle protein synthesis after exercise and performance during exercise. Dairy also provides protein and calcium, which you need to stem the exercise-induced increase in parathyroid hormone and to strengthen your bones.

By now, it’s clear that you can eat as many carbs as you need on a Primal eating plan. There’s nothing stopping you. You won’t butt up against any rigid ideology.

However, there are some things to keep in mind before you start mainlining Japanese sweet potatoes.

Once replenished, muscle glycogen doesn’t disappear. If you refill your glycogen stores with a huge post-workout sweet potato, walking the dog, playing with your kids, or going shopping will barely budge your muscle glycogen. When the next workout rolls around, you’ll be ready.

Carb cycling is an option. Eat high carb on training days, low carb on rest days. It works for elite athletes’ performance just as well as around-the-clock high-carb.

I can’t tell anyone what to do. I can give good information that represents the science as I understand it, and the rest is up to you. And I always recommended an N=1 experiment. Take careful note of of how many carbs you ate on any given day, when you ate them, and how you felt, performed and slept. See what you notice.

For what it’s worth, I have it on very good authority that you can get enough carbs while staying Primal to support and improve your performance in CrossFit.

Thanks for reading, everyone. Stay tuned for the next installment of the series next week.

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The Big Fat Truth: Healthly Habits For Life

 

There’s a new show airing on Z Living called The Big Fat Truth, and I was invited to spread the word. Unlike some of the other weight loss reality shows, this one focuses on emotional and lifestyle changes to give people the motivation and optimism to begin a weight loss transformation. This show premiered on June 11 and airs on Sundays at 8pm ET.

It has been almost a decade since I lost 30 pounds and started this blog to document my weight loss success story. That is T E N years of my life I have shared with you guys, photo-documenting the “how” behind making healthy lifestyle choices.

My story starts at Davidson College: a foot injury that limited my exercise plus a typical college student lifestyle led me to a place where I was totally uncomfortable in my own skin. I hated how I looked in photos, and I tried my hardest to find clothes that were flattering. I really had no idea how much my lifestyle choices and my weight were intertwined. I figured I was just destined to be overweight as an adult.

When I graduated, moved into an apartment, and left all of the temptations of college life on campus, weight started to fall off of me. Cooking for myself was the only option, as I couldn’t afford to eat in restaurants or do take-out meals on a regular basis. When I started packing lunches to take to work and cooking dinners at home, naturally my portion sizes were smaller and the food was healthier. I also joined a gym and started to take spin and boot camp classes that were really fun. I really couldn’t believe that losing weight was so simple, and I was looking and feeling better.

I immersed myself in learning more about cooking, weight loss and nutrition and began counting calories to get a better idea of how much I was actually eating and some of the math behind what was happening in my body. I truly went through a lifestyle transformation.

A little over a year later, I had lost 30 pounds and wanted to share my story with the world, so I started a blog journaling my daily meals and showing people that getting healthy didn’t have to be boring or depriving but could actually be enjoyable and delicious.

During that same time, I went back to school to become a Registered Dietitian so I could eventually help others reach their goals too. My draw to nutrition has always been in the emotional and lifestyle aspects of weight loss more than the clinical and research side of the field.

Most people know the “what” and “why” of being healthy, but it’s the “how” that is difficult to figure out, so by writing about my own healthy lifestyle, I aim to be a good example of eating real food and being active on a daily basis. KERF has been going strong for almost a decade now, and it has changed my life in so many ways.

The Big Fat Truth is executive produced and  hosted byreality-TV pioneer JD Roth, and follows the journey as he  guides and mentors groups of overweight participants, posing challenges and providing the tools they need to accomplish their health and weight loss goals. Every week features a different set of contestants who are looking to change the bad habits that are the root of their health and weight problems.

There’s a FREE Big Fat 30 Day Challenge so you can follow along and reflect on your own lifestyle habits.

Check out the channel listing here or watch the first episode online here. I’m excited to see the changes these contestants make!

As for my own story, I think the following were the foundational changes that led me to be successful and that I continue to embrace today:

Frequently eating out in college –> preparing healthy meals at home

Recovering from foot surgery –> finding group ex classes I love and embracing a variety of sports over the years (strength class, soccer, yoga, athletic conditioning)

Dining clueless –> educating myself on nutrition and being mindful of the connection between food and health

Sitting a lot –> staying active throughout my day, especially after becoming a mom

Living that late-night college life –> maintaining a regular schedule with good sleep and predictable meal times

Surrounding myself with those who overate and overdrank –> Connecting with this wonderful online community of healthy living blogs

Per the Squiggly Line Effect, your health isn’t a flat line that never changes. It must adapt with you as you go through ups (like having a baby) and downs as you find the balance between being super health-minded and living a great life that works for you. What is most important is that you have awareness of the connection between your habits and your health.

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